diff --git a/packages/google-cloud-speech/CHANGELOG.md b/packages/google-cloud-speech/CHANGELOG.md
index 8a84407be2c..0ef8b313a9a 100644
--- a/packages/google-cloud-speech/CHANGELOG.md
+++ b/packages/google-cloud-speech/CHANGELOG.md
@@ -4,6 +4,14 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/speech?activeTab=versions
 
+### [4.5.1](https://www.github.com/googleapis/nodejs-speech/compare/v4.5.0...v4.5.1) (2021-05-20)
+
+
+### Bug Fixes
+
+* **deps:** require google-gax v2.12.0 ([#740](https://www.github.com/googleapis/nodejs-speech/issues/740)) ([0c9c68f](https://www.github.com/googleapis/nodejs-speech/commit/0c9c68f79eee3a9132f0cf18c44a45928da2e809))
+* use require() to load JSON protos ([#746](https://www.github.com/googleapis/nodejs-speech/issues/746)) ([689af48](https://www.github.com/googleapis/nodejs-speech/commit/689af48120572779143f16f7d1b0652bdddd931e))
+
 ## [4.5.0](https://www.github.com/googleapis/nodejs-speech/compare/v4.4.0...v4.5.0) (2021-04-29)
 
 
diff --git a/packages/google-cloud-speech/package.json b/packages/google-cloud-speech/package.json
index 43c882f51ac..4ae4155bc41 100644
--- a/packages/google-cloud-speech/package.json
+++ b/packages/google-cloud-speech/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/speech",
   "description": "Cloud Speech Client Library for Node.js",
-  "version": "4.5.0",
+  "version": "4.5.1",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/packages/google-cloud-speech/samples/package.json b/packages/google-cloud-speech/samples/package.json
index c3279c7c647..d2dc4f8640a 100644
--- a/packages/google-cloud-speech/samples/package.json
+++ b/packages/google-cloud-speech/samples/package.json
@@ -15,7 +15,7 @@
     "test": "c8 mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/speech": "^4.5.0",
+    "@google-cloud/speech": "^4.5.1",
     "@google-cloud/storage": "^5.0.0",
     "chalk": "^4.0.0",
     "node-record-lpcm16": "^1.0.1",